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Estimating spatiotemporal dynamics of solid wastes by coupling MFA & GIS. Assist. Prof. Yupeng Liu ( 刘宇鹏 ) Prof . Wei- Qiang Chen ( 陈伟强 ). Institute of Urban Environment, Chinese Academy of Sciences. Urban big data. “SimCity”. 3-D city. Year of Built. Building utility.
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Estimating spatiotemporal dynamicsof solid wastes by coupling MFA & GIS Assist. Prof. Yupeng Liu (刘宇鹏) Prof. Wei-Qiang Chen (陈伟强) Institute of Urban Environment, Chinese Academy of Sciences
Solid waste Xiamen case
Material stock: Stock at time t MS: Material stock (t) Q: total area (m2) MI: material intensity (t/m2) i: type (building, road, railway, subway) s: structure (i.e. brick concrete, reinforced concrete) n: year built (Han et al. Submitted to ES&T)
China Xiamen island Kulangsu island
4.7 million tons of steel (2.3t/capita) 25.1 million tons of brick (12.4t/capita)
Height view Xiamen island Kulangsu island
Height view Xiamen island Kulangsu island
Stock view——In-use steel Xiamen island Kulangsu island
Stock view——In-use brick Xiamen island Kulangsu island
Solid waste Dongguan case
E-waste generation Year of Built # of families ×in-use intensity Service life model: Ave. life
E-waste generation in Dongguan In-use Stock Purchase Waste
E-waste generation in Dongguan Dongguan county # of TV-waste Chang’an county Humen county TV-waste generation from 2000 to 2020
Solid waste Dongguan case Xiamen case Beijing case
Waste generation from 2013 to 2017 Unit: 103 tones Source: Annual Report on the Prevention and Control of Environmental Pollution by Solid Wastes in Large and Medium-sized Cities
Waste generation from 2013 to 2017 Unit: 103 tones Source: Annual Report on the Prevention and Control of Environmental Pollution by Solid Wastes in Large and Medium-sized Cities
Waste generation from 2013 to 2017 Unit: 103 tones
Waste transfer station Source: Beijing Municipal Administration Committee and Baidu map
Waste treatment facilities Source: Beijing Municipal Administration Committee and Baidu map
Waste treatment facilities Unit: t/day Source: Beijing Municipal Administration Committee and Baidu map
Life cycle of waste Recycle Reuse
Dr. Yupeng Liu (刘宇鹏) Email: ypliu@iue.ac.cn Phone & Wechat: +86-18511336671 Any questions? Any data?